Hauv gelatin liquefaction kuaj?

Cov txheej txheem:

Hauv gelatin liquefaction kuaj?
Hauv gelatin liquefaction kuaj?
Anonim

Gelatin hydrolysis test yog siv los kuaj xyuas lub peev xwm ntawm lub cev los tsim cov gelatinases uas liquefy gelatin. Cov txheej txheem no tshwm sim nyob rau hauv ob qhov kev tshwm sim ua ntu zus. Hauv thawj cov tshuaj tiv thaiv, gelatinases degrade gelatin rau polypeptides. Tom qab ntawd, cov polypeptides tau hloov dua siab tshiab rau hauv cov amino acids.

Lub hom phiaj ntawm kev kuaj gelatinase yog dab tsi?

Kev kuaj gelatinase tuaj yeem yog siv los sib txawv ntawm Staphylococcus aureus thiab Staphylococcus epidermidis. Nws kuj tuaj yeem siv los sib txawv Serratia marcescens, Proteus vulgaris, thiab Proteus mirabilis los ntawm lwm yam enterics.

Yuav ua li cas thiaj ua tiav qhov kev xeem gelatinase?

Principle of Gelatin Hydrolysis Test

Kev kuaj pom muaj gelatinases tau kuaj pom siv cov khoom noj khoom haus gelatin nruab nrab. Qhov nruab nrab no yog ib qho yooj yim nruab nrab ntawm gelatin, peptone thiab nqaij nyuj extract. … Thaum cov kab mob tsis zoo gelatinase tsis zais cov enzymes thiab tsis liquefy nruab nrab.

Dab tsi enzyme Liquifies gelatin?

Gelatin yog cov protein uas muaj zog ntawm chav tsev kub. Yog tias cov kab mob ua rau enzyme gelatinase(uas zoo tshaj yog tsim ntawm 25 ° C, tsis yog 37 ° C), gelatin yog hydrolyzed thiab dhau los ua kua.

Dab tsi yog qhov substrate ntawm gelatin hydrolysis test?

Nyob hauv nutrient gelatin, gelatin yog qhov nruab nrab tus neeg sawv cev thiab cov substrate rau cov tshuaj biochemical no. Yog hais tias inoculatedkab mob tsim gelatinases, cov protein yuav tawg mus rau hauv me me polypeptides thiab amino acids, liquefying nruab nrab.

Pom zoo:

Nthuav cov khoom
Pob hom fern no puas muaj indusium?
Nyeem ntxiv

Pob hom fern no puas muaj indusium?

Sori tshwm li xim av me ntsis thiab yuav lossis tsis tuaj yeem nyob ntawm txhua nplooj. … Qee hom muaj sori ntawm tag nrho cov nplooj, thaum lwm tus muaj nplooj tshwj xeeb uas dais sori. Yuav ua li cas fern muaj cuav indusium? Kev piav qhia.

Thaum twg norton juster tuag?
Nyeem ntxiv

Thaum twg norton juster tuag?

Norton Juster yog Asmeskas kev kawm, kws kos duab, thiab sau ntawv. Nws tau paub zoo tias yog tus sau phau ntawv me nyuam yaus, tshwj xeeb tshaj yog rau The Phantom Tollbooth thiab The Dot and the Line. Jules Feiffer hnub nyoog pes tsawg?

Tshuaj yej ntsuab ua rau mob taub hau?
Nyeem ntxiv

Tshuaj yej ntsuab ua rau mob taub hau?

Kev noj tshuaj ntsuab ntau tau txuas ua rau mob taub hau uas muaj ntau yam los ntawm qhov mob me mus rau qhov hnyav. Cov tshuaj yej ntsuab kuj muaj cov caffeine nyob rau hauv nws thiab yog li nws muaj peev xwm hais tias cov tsos mob tshwm sim los ntawm qhov ntawd, tab sis txawm li cas los xij, yog tias cov tsos mob yeej koj yuav tsum nrhiav kev pab kho mob.